package com.sls.mall.order.config;

import com.rabbitmq.client.Channel;
import com.sls.mall.order.entity.OmsOrderEntity;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyRabbitMQConfig {

    /**
     * 死信队列
     *
     * @return
     */
    @Bean
    public Queue orderDelayQueue() {

        Map<String, Object> args = new HashMap<>();
        args.put("x-dead-letter-exchange", "order-event-exchange");// 死信交换机
        args.put("x-dead-letter-routing-key", "order.release.order");// 私信key
        args.put("x-message-ttl", 60000);// 消息过期时间 1分钟
        /*
            Queue(String name,  队列名字
            boolean durable,  是否持久化
            boolean exclusive,  是否排他
            boolean autoDelete, 是否自动删除
            Map<String, Object> arguments) 属性
         */
        return new Queue("order.delay.queue", true, false, false, args);
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        //String name, boolean durable, boolean exclusive, boolean autoDelete, @Nullable Map<String, Object> arguments
        return new Queue("order.release.order.queue", true, false, false);
    }

    @Bean
    public Exchange orderEventExchange() {
        /*
         *   String name,
         *   boolean durable,
         *   boolean autoDelete,
         *   Map<String, Object> arguments
         * */
        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        /*
         * String destination, 目的地（队列名或者交换机名字）
         * DestinationType destinationType, 目的地类型（Queue、Exhcange）
         * String exchange,
         * String routingKey,
         * Map<String, Object> arguments
         * */
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    /**
     * 订单释放
     *
     * @return
     */
    @Bean
    public Binding orderReleaseOrderBinding() {
        //String destination, Binding.DestinationType destinationType, String exchange, String routingKey, @Nullable Map<String, Object> arguments
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order", null);
    }

    /**
     * 订单释放直接和库存释放进行绑定
     *
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding() {
        //String destination, Binding.DestinationType destinationType, String exchange, String routingKey, @Nullable Map<String, Object> arguments
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#", null);
    }

    /**
     * 秒杀订单队列
     *
     * @return
     */
    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue("order.seckill.order.queue", true, false, false, null);
    }

    /**
     * 秒杀订单消息绑定
     * @return
     */
    @Bean
    public Binding orderSeckillOrderQueueBinding() {
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }
}
